Dispersion characteristics of a two-stream relativistic klystron amplifier

Palmyra Catravas; Chiping Chen; George Bekefi

doi:10.1117/12.147450

8 July 1993 Dispersion characteristics of a two-stream relativistic klystron amplifier

Palmyra Catravas, Chiping Chen, George Bekefi

Proceedings Volume 1872, Intense Microwave Pulses; (1993) https://doi.org/10.1117/12.147450
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

A two-stream relativistic klystron amplifier (RKA) is proposed in which the amplification of stimulated beam modulation is achieved via the unstable two-stream interaction rather than the use of passive cavities. After a calculation of the limiting current, the amplification and saturation of the stimulated beam modulation are analyzed using a cold-fluid model and particle-in-cell simulation. Good agreement is found between theory and simulation in the linear regime. Fully modulated intense relativistic electron beams are obtained at saturation. In the proposed scheme, substantial beam energy difference is required to achieve large instability growth.

Citation Download Citation

Palmyra Catravas, Chiping Chen, and George Bekefi "Dispersion characteristics of a two-stream relativistic klystron amplifier", Proc. SPIE 1872, Intense Microwave Pulses, (8 July 1993); https://doi.org/10.1117/12.147450

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